Internal combustion engine



FIG. 1 is a left front perspective view of an internal combustion engine according to the new design of the present invention.

FIG. 2 is a front view of the internal combustion engine of FIG. 1.

FIG. 3 is a top view of the internal combustion engine of FIG. 1.

FIG. 4 is a bottom view of the internal combustion engine of FIG. 1.

FIG. 5 is a left side view of the internal combustion engine of FIG. 1.

FIG. 6 is a right side view of the internal combustion engine of FIG. 1; and,

FIG. 7 is a rear view of the internal combustion engine of FIG. 1.

The broken lines in the drawing views are included for the purpose of illustrating portions of the internal combustion engine that form no part of the claimed design. 

CLAIM The ornamental design of an internal combustion engine, as shown and described. 